Used and loved by millions
Since I tried Ludwig back in 2017, I have been constantly using it in both editing and translation. Ever since, I suggest it to my translators at ProSciEditing.

Justyna Jupowicz-Kozak
CEO of Professional Science Editing for Scientists @ prosciediting.com
principal factor
Grammar usage guide and real-world examplesUSAGE SUMMARY
The phrase "principal factor" is correct and usable in written English.
It can be used to refer to the main or most important element contributing to a particular outcome or situation. Example: "The principal factor in the success of the project was the team's dedication and hard work."
✓ Grammatically correct
Science
News & Media
Encyclopedias
Formal & Business
Alternative expressions(20)
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Human-verified examples from authoritative sources
Exact Expressions
60 human-written examples
Empirically derived dietary patterns were obtained by principal factor analysis.
Science & Research
Current equity market conditions are the principal factor in the decision.
News & Media
Partisanship was the principal factor in ratings of Obama throughout his presidency.
News & Media
It is now generally accepted that the new technology was not the principal factor.
Encyclopedias
Declining long-distance revenue was a principal factor in the bankruptcy of WorldCom, which owns mci.
Academia
Indeed, there are those terrorists for whom ideology is the principal factor to cause terror around the world.
News & Media
Economic conditions are now the principal factor governing the provision of incidental music.
Encyclopedias
Your relationship to the third party is the principal factor in how you should behave.
News & Media
"Recession and the slow recovery are probably the principal factor," he said.
News & Media
A digression in this work indicates that he considered party strife as the principal factor in the republic's disintegration.
Encyclopedias
Liam Newberg, an analyst with Merrill Lynch Japan, said that program trading was a principal factor in the market's rise.
News & Media
Expert writing Tips
Best practice
Use "principal factor" to highlight the element with the most significant impact among several contributing factors.
Common error
Avoid mistaking "principal factor" (the main element) with "principle", which refers to a fundamental belief or rule. For example, don't write 'The principle factor was cost'; instead, use 'The "principal factor" was cost'.
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested
Linguistic Context
The phrase "principal factor" functions as a noun phrase that identifies the most important or influential element contributing to a particular result or outcome. Ludwig AI confirms its correct usage in various contexts.
Frequent in
Science
40%
News & Media
30%
Encyclopedias
15%
Less common in
Formal & Business
10%
Reference
3%
Wiki
2%
Ludwig's WRAP-UP
The phrase "principal factor" is a grammatically sound and frequently used expression to denote the most important element contributing to a particular outcome. Ludwig AI confirms its proper usage across various domains, including science, news, and encyclopedias. While alternatives like "major factor" or "key element" exist, "principal factor" is well-suited for formal and neutral contexts. Remember to distinguish "principal factor" (the main element) from "principle" (a fundamental belief) to avoid common writing errors. Using this phrase effectively involves clearly identifying the outcome being influenced and highlighting the significance of the specified factor.
More alternative expressions(6)
Phrases that express similar concepts, ordered by semantic similarity:
major contributing factor
Emphasizes the contribution aspect more strongly than "principal factor".
key determinant
Focuses on the role of the factor in determining an outcome.
primary cause
Highlights the causal relationship more explicitly.
main driver
Implies a strong force or impetus behind a process or change.
most significant element
Emphasizes the importance or significance of the factor.
chief influence
Highlights the power to affect something.
foremost reason
Focuses on the rationale or justification.
dominant force
Suggests a factor that overpowers others in its effect.
central aspect
Highlights that the factor is essential to something.
underlying reason
Points to a fundamental cause or explanation.
FAQs
What does "principal factor" mean?
The phrase "principal factor" refers to the main or most important element that contributes to a particular result or outcome. It emphasizes the factor that has the greatest influence.
How can I use "principal factor" in a sentence?
You can use "principal factor" to identify the primary cause or influence in a given situation. For example: "The "principal factor" in the company's growth was its innovative marketing strategy."
What are some alternatives to "principal factor"?
Alternatives to "principal factor" include "major factor", "key element", or "primary cause depending on the specific context".
Is it correct to use "principal factor" in formal writing?
Yes, "principal factor" is suitable for formal writing. It is commonly used in academic, business, and news contexts to denote the most important factor.
Editing plus AI, all in one place.
Stop switching between tools. Your AI writing partner for everything—polishing proposals, crafting emails, finding the right tone.
Table of contents
Usage summary
Human-verified examples
Expert writing tips
Linguistic context
Ludwig's wrap-up
Alternative expressions
FAQs
Source & Trust
84%
Authority and reliability
4.5/5
Expert rating
Real-world application tested